OK, let's crack this. We're given 334 and our task is to multiply it by 145. Essentially, we'll be adding 334 to itself 145 times.
Step 1: 0 + 334 = 334
Step 2: 334 + 334 = 668
Step 3: 668 + 334 = 1002
Step 4: 1002 + 334 = 1336
Step 5: 1336 + 334 = 1670
Step 6: 1670 + 334 = 2004
Step 7: 2004 + 334 = 2338
Step 8: 2338 + 334 = 2672
Step 9: 2672 + 334 = 3006
Step 10: 3006 + 334 = 3340
Step 11: 3340 + 334 = 3674
Step 12: 3674 + 334 = 4008
Step 13: 4008 + 334 = 4342
Step 14: 4342 + 334 = 4676
Step 15: 4676 + 334 = 5010
Step 16: 5010 + 334 = 5344
Step 17: 5344 + 334 = 5678
Step 18: 5678 + 334 = 6012
Step 19: 6012 + 334 = 6346
Step 20: 6346 + 334 = 6680
Step 21: 6680 + 334 = 7014
Step 22: 7014 + 334 = 7348
Step 23: 7348 + 334 = 7682
Step 24: 7682 + 334 = 8016
Step 25: 8016 + 334 = 8350
Step 26: 8350 + 334 = 8684
Step 27: 8684 + 334 = 9018
Step 28: 9018 + 334 = 9352
Step 29: 9352 + 334 = 9686
Step 30: 9686 + 334 = 10020
Step 31: 10020 + 334 = 10354
Step 32: 10354 + 334 = 10688
Step 33: 10688 + 334 = 11022
Step 34: 11022 + 334 = 11356
Step 35: 11356 + 334 = 11690
Step 36: 11690 + 334 = 12024
Step 37: 12024 + 334 = 12358
Step 38: 12358 + 334 = 12692
Step 39: 12692 + 334 = 13026
Step 40: 13026 + 334 = 13360
Step 41: 13360 + 334 = 13694
Step 42: 13694 + 334 = 14028
Step 43: 14028 + 334 = 14362
Step 44: 14362 + 334 = 14696
Step 45: 14696 + 334 = 15030
Step 46: 15030 + 334 = 15364
Step 47: 15364 + 334 = 15698
Step 48: 15698 + 334 = 16032
Step 49: 16032 + 334 = 16366
Step 50: 16366 + 334 = 16700
Step 51: 16700 + 334 = 17034
Step 52: 17034 + 334 = 17368
Step 53: 17368 + 334 = 17702
Step 54: 17702 + 334 = 18036
Step 55: 18036 + 334 = 18370
Step 56: 18370 + 334 = 18704
Step 57: 18704 + 334 = 19038
Step 58: 19038 + 334 = 19372
Step 59: 19372 + 334 = 19706
Step 60: 19706 + 334 = 20040
Step 61: 20040 + 334 = 20374
Step 62: 20374 + 334 = 20708
Step 63: 20708 + 334 = 21042
Step 64: 21042 + 334 = 21376
Step 65: 21376 + 334 = 21710
Step 66: 21710 + 334 = 22044
Step 67: 22044 + 334 = 22378
Step 68: 22378 + 334 = 22712
Step 69: 22712 + 334 = 23046
Step 70: 23046 + 334 = 23380
Step 71: 23380 + 334 = 23714
Step 72: 23714 + 334 = 24048
Step 73: 24048 + 334 = 24382
Step 74: 24382 + 334 = 24716
Step 75: 24716 + 334 = 25050
Step 76: 25050 + 334 = 25384
Step 77: 25384 + 334 = 25718
Step 78: 25718 + 334 = 26052
Step 79: 26052 + 334 = 26386
Step 80: 26386 + 334 = 26720
Step 81: 26720 + 334 = 27054
Step 82: 27054 + 334 = 27388
Step 83: 27388 + 334 = 27722
Step 84: 27722 + 334 = 28056
Step 85: 28056 + 334 = 28390
Step 86: 28390 + 334 = 28724
Step 87: 28724 + 334 = 29058
Step 88: 29058 + 334 = 29392
Step 89: 29392 + 334 = 29726
Step 90: 29726 + 334 = 30060
Step 91: 30060 + 334 = 30394
Step 92: 30394 + 334 = 30728
Step 93: 30728 + 334 = 31062
Step 94: 31062 + 334 = 31396
Step 95: 31396 + 334 = 31730
Step 96: 31730 + 334 = 32064
Step 97: 32064 + 334 = 32398
Step 98: 32398 + 334 = 32732
Step 99: 32732 + 334 = 33066
Step 100: 33066 + 334 = 33400
Step 101: 33400 + 334 = 33734
Step 102: 33734 + 334 = 34068
Step 103: 34068 + 334 = 34402
Step 104: 34402 + 334 = 34736
Step 105: 34736 + 334 = 35070
Step 106: 35070 + 334 = 35404
Step 107: 35404 + 334 = 35738
Step 108: 35738 + 334 = 36072
Step 109: 36072 + 334 = 36406
Step 110: 36406 + 334 = 36740
Step 111: 36740 + 334 = 37074
Step 112: 37074 + 334 = 37408
Step 113: 37408 + 334 = 37742
Step 114: 37742 + 334 = 38076
Step 115: 38076 + 334 = 38410
Step 116: 38410 + 334 = 38744
Step 117: 38744 + 334 = 39078
Step 118: 39078 + 334 = 39412
Step 119: 39412 + 334 = 39746
Step 120: 39746 + 334 = 40080
Step 121: 40080 + 334 = 40414
Step 122: 40414 + 334 = 40748
Step 123: 40748 + 334 = 41082
Step 124: 41082 + 334 = 41416
Step 125: 41416 + 334 = 41750
Step 126: 41750 + 334 = 42084
Step 127: 42084 + 334 = 42418
Step 128: 42418 + 334 = 42752
Step 129: 42752 + 334 = 43086
Step 130: 43086 + 334 = 43420
Step 131: 43420 + 334 = 43754
Step 132: 43754 + 334 = 44088
Step 133: 44088 + 334 = 44422
Step 134: 44422 + 334 = 44756
Step 135: 44756 + 334 = 45090
Step 136: 45090 + 334 = 45424
Step 137: 45424 + 334 = 45758
Step 138: 45758 + 334 = 46092
Step 139: 46092 + 334 = 46426
Step 140: 46426 + 334 = 46760
Step 141: 46760 + 334 = 47094
Step 142: 47094 + 334 = 47428
Step 143: 47428 + 334 = 47762
Step 144: 47762 + 334 = 48096
Step 145: 48096 + 334 = 48430

So, 334*145 = 48430